# SDR SWAA2025050553975

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N290WN](https://openairdocs.org/aircraft/N290WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36632
- Aircraft time: 57,406 hours, 34,635 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025050553975

## Discrepancy

CORROSION ON INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN 2025-232185<[01] REPLACED INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9; DWG 147A5600 SHEET 32 REV. B. SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9; DWG 147A5600 SHEET 32 REV. B. SEE INDIVIDUAL SIGN OFF BELOW.

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